Home / 356,511.20-491,977.56-195,362.72

Finding the Fourth Proportional to 356,511.20, 491,977.56 and 195,362.72

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Solution

The fourth proportional to 356,511.20, 491,977.56 and 195,362.72 is: 269,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,511.20 : 491,977.56 = 195,362.72 : x
  2. Step 2: Convert to fraction form
    356,511.20/491,977.56 = 195,362.72/x
  3. Step 3: Cross multiply
    356,511.20x = 491,977.56 × 195,362.72
  4. Step 4: Simplify right side
    356,511.20x = 96,114,074,300.56
  5. Step 5: Solve for x
    x = 96,114,074,300.56/356,511.20
  6. Step 6: Final answer
    x = 269,596.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.